.sd-hidden {
  display: none !important;
}

.qr-tools-page,
.whois-page {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.whois-recent-section {
  padding: 20px;
}

.whois-recent-title {
  font-size: 16px;
  font-weight: 600;
  margin: 0 0 4px;
  color: var(--text);
}

.whois-recent-sub {
  font-size: 13px;
  color: var(--text-faint);
  margin: 0 0 14px;
}

.whois-recent-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.whois-recent-link {
  display: inline-block;
  padding: 6px 12px;
  font-size: 13px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color: var(--text-muted);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-decoration: none;
}

.whois-recent-link:hover {
  color: var(--accent);
  border-color: var(--accent-dim);
}

.whois-recent-seo {
  margin: 0;
  font-size: 12px;
  line-height: 1.8;
  color: var(--text-faint);
}

.whois-recent-seo a {
  color: var(--text-muted);
}

.whois-recent-seo a:hover {
  color: var(--accent);
}

.qr-hint {
  font-size: 13px;
  color: var(--text-muted);
  margin: 0 0 14px;
}

.qr-gen-output {
  margin-top: 20px;
  text-align: center;
}

.qr-gen-canvas {
  display: inline-flex;
  justify-content: center;
  background: #fff;
  padding: 14px;
  border-radius: 8px;
  border: 1px solid var(--border);
}

.qr-gen-preview-text {
  margin: 12px 0 0;
  font-size: 12px;
  color: var(--text-faint);
  word-break: break-all;
  line-height: 1.5;
}

.sd-qr-decode-card .card-title {
  margin-bottom: 8px;
}

.sd-hint {
  font-size: 13px;
  color: var(--text-muted);
  margin: 0 0 14px;
}

.sd-qr-dropzone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  background: var(--bg2);
  padding: 28px 20px;
  text-align: center;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition);
}

.sd-qr-dropzone:hover,
.sd-qr-dropzone.sd-qr-dragover {
  border-color: var(--accent);
  background: rgba(47, 129, 247, 0.06);
}

.sd-qr-dropzone:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.sd-qr-dropzone-icon {
  font-size: 2rem;
  margin-bottom: 8px;
  line-height: 1;
}

.sd-qr-dropzone-title {
  font-size: 14px;
  color: var(--text);
  margin-bottom: 6px;
}

.sd-qr-dropzone-desc {
  font-size: 12px;
  color: var(--text-faint);
  line-height: 1.6;
}

.sd-qr-preview {
  max-width: 100%;
  max-height: 200px;
  margin-top: 14px;
  border-radius: 8px;
  border: 1px solid var(--border);
}

.sd-qr-result {
  margin-top: 16px;
}

.sd-qr-result-label {
  display: block;
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.sd-qr-result-row {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 12px 14px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.sd-qr-result-text {
  flex: 1;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.55;
  white-space: pre-wrap;
  word-break: break-all;
  color: var(--text);
}

.sd-qr-result-row .sd-qr-copy-btn {
  flex-shrink: 0;
  opacity: 1;
  color: var(--text-muted);
  background: var(--bg);
  border: 1px solid var(--border);
}

.sd-qr-result-row .sd-qr-copy-btn:hover {
  color: var(--text);
  background: var(--bg3);
  border-color: var(--border);
}

.sd-qr-copy-label {
  font-size: 12px;
  margin-left: 4px;
}

.sd-qr-status {
  font-size: 12px;
  color: var(--text-muted);
  margin: 10px 0 0;
  min-height: 1.2em;
}

.sd-qr-status.sd-qr-error {
  color: var(--red, #f85149);
}

.whois-form-row {
  align-items: flex-end;
  gap: 12px;
}

.whois-form-action {
  padding-bottom: 1px;
}

.whois-result-wrap {
  margin-top: 20px;
}

.whois-result-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.whois-cache-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  color: var(--accent);
  background: rgba(47, 129, 247, 0.12);
  border: 1px solid rgba(47, 129, 247, 0.25);
}

.whois-result-text {
  margin: 0;
  padding: 14px;
  max-height: 520px;
  overflow: auto;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.55;
  white-space: pre-wrap;
  word-break: break-word;
  color: var(--text-muted);
}

.whois-section-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-faint);
  letter-spacing: 0.4px;
  text-transform: uppercase;
  margin: 0 0 10px;
}

.whois-md {
  padding: 4px 0;
  margin-bottom: 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg2);
  overflow: hidden;
}

.whois-md-summary {
  margin-bottom: 22px;
  background: linear-gradient(180deg, rgba(47, 129, 247, 0.1), rgba(47, 129, 247, 0.03));
  border-color: rgba(47, 129, 247, 0.22);
}

.whois-md-row {
  display: grid;
  grid-template-columns: minmax(108px, 148px) 1fr;
  gap: 10px 18px;
  padding: 11px 16px;
  border-bottom: 1px solid var(--border);
  align-items: start;
}

.whois-md-row:last-child {
  border-bottom: none;
}

.whois-md-label {
  font-size: 13px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--text);
}

.whois-md-summary .whois-md-label {
  color: var(--accent);
}

.whois-md-value {
  font-size: 13px;
  line-height: 1.65;
  color: var(--text-muted);
  white-space: pre-wrap;
  word-break: break-word;
  font-family: var(--font-mono);
}

.subnet-examples,
.subnet-related {
  font-size: 13px;
  color: var(--text-muted);
  margin: 14px 0 0;
  line-height: 1.6;
}

.subnet-examples a,
.subnet-related a {
  color: var(--accent);
}

.subnet-related {
  margin-top: 16px;
}

.dns-type-checks {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  margin-top: 8px;
}

.dns-type-item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 14px;
  color: var(--text-muted);
  cursor: pointer;
  user-select: none;
}

.dns-type-item input {
  accent-color: var(--accent);
}

@media (max-width: 640px) {
  .whois-form-row {
    flex-direction: column;
    align-items: stretch;
  }

  .whois-form-action .btn {
    width: 100%;
  }

  .whois-md-row {
    grid-template-columns: 1fr;
    gap: 4px;
  }
}